Count missing values groupby

CLASS FEATURE1 FEATURE2 FEATURE3
  X      A       NaN      NaN
  X     NaN       A       NaN
  B      A        A        A
  
 df.drop('CLASS', 1).isna().groupby(df.CLASS, sort=False).sum().reset_index()

  CLASS  FEATURE1  FEATURE2  FEATURE3
0     X       1.0       1.0       2.0
1     B       0.0       0.0       0.0

Similar codes

5 votes319 views2 answers
Model load pytorch
Python
0 vote320 views1 answer
AssertRaises property
Python
0 vote319 views1 answer
Python calling method from constructor
Python
0 vote308 views1 answer
Selenium.common.exceptions.elementclickinterceptedexception: message: element click intercepted:
Python
0 vote304 views1 answer
Recorrer lista desde el final python
Python
2 votes333 views1 answer
Django flush database
Python Django
2 votes302 views2 answers
What is instance variable in python
Python
0 vote290 views1 answer
Pandas dataframe row names
Python
4 votes323 views3 answers
Python create 2d array deep copy
Python
0 vote320 views1 answer
Re python split()
Python